<template>
  <div class="wrapper">
    <div
      style="margin: 200px auto; background-color: #fff; width: 350px; height: 450px; padding: 20px; border-radius: 10px">
      <div style="margin: 20px 0; text-align: center; font-size: 24px"><b>注 册</b></div>
      <el-form :model="user" :rules="rules" ref="userForm">
        <el-form-item prop="username">
          <el-input placeholder="请输入账号" size="medium" style="margin: 5px 0" prefix-icon="el-icon-user"
            v-model="user.username"></el-input>
        </el-form-item>
        <el-form-item prop="idNumber">
          <el-input placeholder="请输入身份证号" size="medium" style="margin: 5px 0" prefix-icon="el-icon-user"
            v-model="user.idNumber"></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input placeholder="请输入密码" size="medium" style="margin: 5px 0" prefix-icon="el-icon-lock" show-password
            v-model="user.password"></el-input>
        </el-form-item>
        <el-form-item prop="confirmPassword">
          <el-input placeholder="请确认密码" size="medium" style="margin: 5px 0" prefix-icon="el-icon-lock" show-password
            v-model="user.confirmPassword"></el-input>
        </el-form-item>
        <el-form-item style="margin: 5px 0; text-align: right">
          <el-button type="primary" size="small" autocomplete="off" @click="register">注册</el-button>
          <el-button type="warning" size="small" autocomplete="off" @click="$router.push('/login')">返回登录</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  name: "register",
  data() {
    var validateConfirmPassword = (rule, value, callback) => {
      if (value === '') {
        callback(new Error('请再次输入密码'))
      } else if (value !== this.user.password) {
        callback(new Error('两次输入密码不一致'))
      } else {
        callback()
      }
    };

    return {
      user: {},
      rules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { type: "string", pattern: /^[A-Za-z0-9@_]+$/, message: '用户名仅可以包含字母、数字以及 @、_ 符号', trigger: 'blur' },
          { min: 5, max: 20, message: '长度在 5 到 20 个字符', trigger: 'blur' }
        ],
        idNumber: [
          { required: true, message: '请输入身份证号', trigger: 'blur' },
          { min: 18, max: 18, message: '身份证号应为18位' },
          {
            pattern: /^[1-9]\d{5}(18|19|([23]\d))\d{2}((0[1-9])|(10|11|12))(([0-2][1-9])|10|20|30|31)\d{3}[0-9Xx]$/,
            message: "请输入有效的身份证号"
          }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 8, max: 20, message: '长度在 8 到 20 个字符', trigger: 'blur' }
        ],
        confirmPassword: [
          { required: true, validator: validateConfirmPassword, trigger: 'blur' }
        ],
      }
    }
  },
  methods: {
    register() {
      this.$refs['userForm'].validate((valid) => {
        if (valid) {  // 表单校验合法
          this.request.post("/auth/register", this.user).then(res => {
            console.log(res);
            if (res.code == 200) {
              this.$message.success("注册成功");
              this.$router.push('/login');
            } else {
              this.$message.error(res.message);
            }
          })
        }
      });
    }
  }
}
</script>

<style>
.wrapper {
  height: 100vh;
  background-image: linear-gradient(to bottom right, #ffffff, #3F5EFB);
  overflow: hidden;
}
</style>
